Portfolio



PATENTED MAR. 20, 1866.

L. HB-YL. PORTFOLIO.

2 SHEETS-SHEET '2.

: adelphia, in the lio, f position,

fully to proceed to des "'ation.

'UNITED STATES PATENT OFFI E.

LEWIS HE'YL, or PHILADE Specification forming part of Letters Patent No. 53,299,

LPHIA, PENNSYLVANIA.

PORTFOLIO.

. To all whom it may concern:

Be it known con State of Icnnsylv and Improved Portfolio clare the following to b 'scription of the the accompanying draw of reference marked th an open condition, illus Fig.2 is a side or edge v represented in Fig. 1, (marked E.) Fig.

binding the sheets or 1e Similar letters of refer same, ref

that I, LEwIs HEYL, of Philnt-y of Philadelphia, in the ania, have invented a new and I do hereby de- 0 a full and exact deerence being had to ings, and to the letters ere made part of this specifica Figure 1 is an interior on, all of which are tion, and in which view of a portfolio in trating my invention. iew of the metal spring 3 is an o and sheets or leaves 4 is a perspective View diand exhibits the mode of aves in the portfolio. ence indicate corresponding parts in the several figures.

The object of this inv ention (which is an improvement of the portfolio heretofore in vented by me, and upon which United States were of September, A. D. 18 nal patent, with the s the Patent Office, refe which may by means of be adapted to contain a In the accompanying material and of any des G G are metal (pivots or tongues attached to the leaves 0 is to leave narrow space granted me on th 64, and to wl pecifications on file in rence is also hereby is to provide in a more perfect form a sent the respective leav portfolio, which may be tubes, H H H Letters Patent of the e 6th day iich origihad) portfolio a simple contrivance ny desirable number or few; and, in order to lio capable of conform es whichit is to inclo ce in a novel ded or let out and dra se, manner, so wn uch a way as to increase or diminish its width between or, at the back es or side cov y adjuste ers of the portfod' in any desired nafter fully explained. skilled in the art to yinvention appertains may be enabled understand and u cribe its con se the same, I will struction and operdrawings, A B reprees or side covers of a made of any suitable red dimensions.

turning upon metal H, which are securely r side covers, A B, so s (marked II) between the back piece dated March 20, 1806.

the tubes and covers.

(3 O (l is the b or other suitable material, th is, principally, to serve dium between the two Ie the portfolio, and at the tute part of the inclosure. if this back piece were permanently affixed at each side to the leaves. or side covers of the portfolio the latter would only be capable of containing in its fullest capacity a certain quantity, which would be regulated by the width of the back piece, or rather the distance which it would allow the leaves of the portfolio to be separated at the hue When the back piece is thus permanently attached even a diminution of the quantity or number of sheets to be inclosed has the effect to impair the appearance of, if not to injure, the portfolio, inasmuch as when the two leaves are not held sutiiciently far apart to draw the back piece taut a wrinkling or crimping of the latter is induced, which greatly hastens its destruction.

To obviate these objectionable features, which are observable in portfolios in use previous to my invention, I arrange and employ or strap, (J O 0, in such manner that its width between the leaves A B may be varied, in order that it maybe made to conform to any quantity of sheets that may be placed within the portfolio, as will be understood from the following: o the inner side of the leaf, B, and'ncar its edge, the back piece, 0 O O, is securely and permanently fastened. Thence the said back picceis extended through the space I at the edge of the leaf B, behind both the tubes G G, and along the inner side of the leaf A edges of the said leaves or side aclc piece or strap, of leather e office of which aves or side covers of same time to consti- It is manifest that extended end of vided with a meshown iu'Fig. 2

the-back piece, 0 O G, is pro tallic spring, E, curved, as and having very smal the heads of the apertures in the metallic plates D, and are bythe straightening and consequent extension of the spring pushed into the narrow parts or necks of the apertures and held tightly. The metal plates 1) D are firmly secured to the leaf A by rivets or otherwise, a slight groove being taken from the inner side as a connecting me 1 staples f f, which enter of the leaf under the said apertures to admit in the portfolio may be fastened within the the staples f f. The adjustment of the spring same and to each other by means of the said E produces a corresponding variation in the cords M M M and of the devices forwhich I 0bwidth of that portion of the back pieee O O O, tained Letters Patent October 13, 1863, known which constitutes the back proper and occuas Heyls binding-tags, or in any other pies a position between the approximate consuitable manner.

nected ends of the leaves. It will at once he Having thus described myinvention, what seen that the width of the back proper may I claim as new; and desire to secure by Letters be increased or diminished by the adjustment Patent, is-

ot' the spring to the apertures corresponding 1. The arrangement of the movable tubes with the desired width. The staples f f are G G at the edges of both leaves of the porteasily withdrawn from the apertures by simfolio, as and for the purpose set forth.

ply lifting or bending upward the center of the 2. The springE,having the buttonsor-staples sprin g E. f i ff, in combination with the plates 1) D, as and In order that the sheets may be eonvenfor the purpose set forth.

iently bound in the portfolio, narrow flaps 0t 3. The e'lea-ts L L L, as above described, and cloth or other suitable material are firmly adapted to portfolios, in combination with the fastened to the tubes G G, turning with them, binding-strings M M M, the said cleats having and marked in the drawings J J. Cords or an aperture in their center to admit of the binding-strings,(marked M,) tipped with metal passage of the said bindin -strings, as shown at one end and knotted atthe other, are drawn and described, and for the purpose set forth,

through small metallic plates K K K in the for the proper and convenient fastening of the flap J and through theapertures in the center said strings.

of the cleats L L L in the flap J, and tied, substantially as shown in the drawings. These cleats are of metal, and are riveted or other- \Vitnesses:

wise fastened to the tlap. DARIUS LYMAN, The papers or sheets to he inclosed or bound 1 GEO. F. DRIGGS.

LEWIS HEYL. 

